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What is the difference between the kernel space and the user space?
...ograms run in user space. User space is basically a form of sand-boxing -- it restricts user programs so they can't mess with memory (and other resources) owned by other programs or by the OS kernel. This limits (but usually doesn't entirely eliminate) their ability to do bad things like crashing th...
Sorting an IList in C#
...ervice that returns an IList. Not really a big deal until I wanted to sort it.
15 Answers
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Ruby: Easiest Way to Filter Hash Keys?
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Edit to original answer: Even though this is answer (as of the time of this comment) is the selected answer, the original version of this answer is outdated.
I'm adding an update here to help others avoid getting sidetracked b...
Eclipse Kepler for OS X Mavericks request Java SE 6
...OS X Mavericks , and I have downloaded Eclipse Kepler , but if I execute it, gives me this message:
7 Answers
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Amazon S3 boto - how to create a folder?
...which many S3 access tools like S3Fox show like a directory structure, but it's actually just a single file in a bucket.
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How to read json file into java with simple JSON library
I want to read this JSON file with java using json simple library.
13 Answers
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Are PDO prepared statements sufficient to prevent SQL injection?
... adapting this answer to talk about PDO...
The long answer isn't so easy. It's based off an attack demonstrated here.
The Attack
So, let's start off by showing the attack...
$pdo->query('SET NAMES gbk');
$var = "\xbf\x27 OR 1=1 /*";
$query = 'SELECT * FROM test WHERE name = ? LIMIT 1';
$stmt ...
Python group by
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Do it in 2 steps. First, create a dictionary.
>>> input = [('11013331', 'KAT'), ('9085267', 'NOT'), ('5238761', 'ETH'), ('5349618', 'ETH'), ('11788544', 'NOT'), ('962142', 'ETH'), ('7795297', 'ETH'), ('7341464', 'ETH')...
Iterate over object keys in node.js
Since Javascript 1.7 there is an Iterator object, which allows this:
5 Answers
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Spring RestTemplate - how to enable full debugging/logging of requests/responses?
I have been using the Spring RestTemplate for a while and I consistently hit a wall when I'am trying to debug it's requests and responses. I'm basically looking to see the same things as I see when I use curl with the "verbose" option turned on. For example :
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